1.Gallbladder Sarcomatoid Carcinoma Diagnosed after Surgery
Yoon-Ho CHO ; Sang-Woo CHA ; Young Deok CHO ; Min Young LEE ; Chong-Woo CHU ; Seong Sook HONG ; So-Young JIN
Korean Journal of Pancreas and Biliary Tract 2023;28(2):38-42
Sarcomatoid carcinoma is rarely diagnosed as gallbladder cancer. Its aggressive nature, due to the characteristics of both sarcoma and carcinoma, results in a poor prognosis. We report a case of gallbladder sarcomatoid carcinoma in an 82-year-old male who was referred to our hospital for evaluation of gallbladder cancer observed on abdominopelvic computed tomography. The characteristics of the cancer were not confirmed after several imaging modalities. The surgically resected tumor was positive for both cytokeratin and vimentin as revealed via immunohistochemical staining, and a sarcomatoid carcinoma was finally diagnosed. The role of chemotherapy has not yet been identified. Therefore, radiation therapy is planned to reduce the risk of recurrence.
2.Targeting papain-like protease for broad-spectrum coronavirus inhibition.
Shuofeng YUAN ; Xiaopan GAO ; Kaiming TANG ; Jian-Piao CAI ; Menglong HU ; Peng LUO ; Lei WEN ; Zi-Wei YE ; Cuiting LUO ; Jessica Oi-Ling TSANG ; Chris Chun-Yiu CHAN ; Yaoqiang HUANG ; Jianli CAO ; Ronghui LIANG ; Zhenzhi QIN ; Bo QIN ; Feifei YIN ; Hin CHU ; Dong-Yan JIN ; Ren SUN ; Jasper Fuk-Woo CHAN ; Sheng CUI ; Kwok-Yung YUEN
Protein & Cell 2022;13(12):940-953
The emergence of SARS-CoV-2 variants of concern and repeated outbreaks of coronavirus epidemics in the past two decades emphasize the need for next-generation pan-coronaviral therapeutics. Drugging the multi-functional papain-like protease (PLpro) domain of the viral nsp3 holds promise. However, none of the known coronavirus PLpro inhibitors has been shown to be in vivo active. Herein, we screened a structurally diverse library of 50,080 compounds for potential coronavirus PLpro inhibitors and identified a noncovalent lead inhibitor F0213 that has broad-spectrum anti-coronaviral activity, including against the Sarbecoviruses (SARS-CoV-1 and SARS-CoV-2), Merbecovirus (MERS-CoV), as well as the Alphacoronavirus (hCoV-229E and hCoV-OC43). Importantly, F0213 confers protection in both SARS-CoV-2-infected hamsters and MERS-CoV-infected human DPP4-knockin mice. F0213 possesses a dual therapeutic functionality that suppresses coronavirus replication via blocking viral polyprotein cleavage, as well as promoting antiviral immunity by antagonizing the PLpro deubiquitinase activity. Despite the significant difference of substrate recognition, mode of inhibition studies suggest that F0213 is a competitive inhibitor against SARS2-PLpro via binding with the 157K amino acid residue, whereas an allosteric inhibitor of MERS-PLpro interacting with its 271E position. Our proof-of-concept findings demonstrated that PLpro is a valid target for the development of broad-spectrum anti-coronavirus agents. The orally administered F0213 may serve as a promising lead compound for combating the ongoing COVID-19 pandemic and future coronavirus outbreaks.
Animals
;
Coronavirus Papain-Like Proteases/antagonists & inhibitors*
;
Cricetinae
;
Humans
;
Mice
;
Pandemics
;
SARS-CoV-2/enzymology*
;
COVID-19 Drug Treatment
3.Occult Growing Teratoma as the Cause of Protracted Symptoms in a Patient with Anti-NMDA-Receptor Encephalitis and Prior Ovarian Teratoma Removal: Implications for Continued Monitoring and Treatment
Sang Bin HONG ; Yong-Won SHIN ; Yong Woo SHIN ; Sang Kun LEE ; Kon CHU
Journal of Clinical Neurology 2021;17(1):131-133
4.Comparison of trauma systems in Asian countries: a cross-sectional study
Young Hee JUNG ; Dae Han WI ; Sang Do SHIN ; Hideharu TANAKA ; Goh E SHAUN ; Wen Chu CHIANG ; Jen Tang SUN ; Li Min HSU ; Kentaro KAJINO ; Sabariah Faizah JAMALUDDIN ; Akio KIMURA ; James F HOLMES ; Kyoung Jun SONG ; Young Sun RO ; Ki Jeong HONG ; Sung Woo MOON ; Ju Ok PARK ; Min Jung KIM
Clinical and Experimental Emergency Medicine 2019;6(4):321-329
OBJECTIVE: This study aimed to compare the demographic characteristics and trauma service structures and processes of hospitals in 15 countries across the Asia Pacific, and to provide baseline data for the integrated trauma database: the Pan-Asian Trauma Outcomes Study (PATOS).METHODS: Medical directors and emergency physicians at PATOS-participating hospitals in countries across the Asia Pacific were surveyed through a standardized questionnaire. General information, trauma care system data, and trauma emergency department (ED) outcomes at each hospital were collected by email and analyzed using descriptive statistics.RESULTS: Survey data from 35 hospitals across 15 countries were collected from archived data between June 2014 and July 2015. Designated trauma centers were identified as the highest hospital level for trauma patients in 70% of surveyed countries. Half of the hospitals surveyed had special teams for trauma care, and almost all prepared activation protocol documents for these teams. Most hospitals offered specialized trauma education programs, and 72.7% of hospitals had a hospital-based trauma registry. The total number of trauma patients visiting the ED across 25 of the hospitals was 300,376. The overall survival-to-discharge rate was 97.2%; however, it varied greatly between 85.1% and 99.7%. The difference between survival-to-discharge rates of moderate and severe injury groups was highest in Taiwan (41.8%) and lowest in Thailand (18.6%).CONCLUSION: Trauma care systems and ED outcomes vary widely among surveyed hospitals and countries. This information is useful to build further detailed, systematic platforms for trauma surveillance and evidence-based trauma care policies.
Asia
;
Asian Continental Ancestry Group
;
Cross-Sectional Studies
;
Education
;
Electronic Mail
;
Emergencies
;
Emergency Service, Hospital
;
Epidemiology
;
Humans
;
Physician Executives
;
Taiwan
;
Thailand
;
Trauma Centers
5.Real-Life Experience of Sorafenib Treatment for Hepatocellular Carcinoma in Korea: From GIDEON Data.
Do Young KIM ; Hye Jin KIM ; Kwang Hyub HAN ; Sang Young HAN ; Jeong HEO ; Hyun Young WOO ; Soon Ho UM ; Yeul Hong KIM ; Young Oh KWEON ; Ho Yeong LIM ; Jung Hwan YOON ; Wan Sik LEE ; Byung Seok LEE ; Han Chu LEE ; Baek Yeol RYOO ; Seung Kew YOON
Cancer Research and Treatment 2016;48(4):1243-1252
PURPOSE: The purpose of this study is to report real life experiences of sorafenib therapy for hepatocellular carcinoma (HCC) in Korea, using a subset of data from GIDEON (Global Investigation of Therapeutic Decisions in HCC and of Its Treatment with Sorafenib; a large, prospective, observational study). MATERIALS AND METHODS: Between January 2009 and April 2012, a total of 497 patients were enrolled from 11 sites in Korea. Of these, 482 patients were evaluable for safety analyses. Case report forms of paper or electronic version were used to record safety and efficacy data from all patients. RESULTS: More patients of Child-Pugh A received sorafenib for > 8 weeks than did patients of Child-Pugh B (55.5% vs. 34.3%). Child-Pugh score did not appear to influence the starting dose of sorafenib, and approximately 70% of patients both in Child-Pugh A and B groups received the recommended initial daily dose of 800 mg (69.0% and 69.5%, respectively). The median overall survival (OS) and time to progression (TTP) were 8.5 months and 2.5 months. In Child-Pugh A patients, the median OS and TTP were 10.2 months and 2.5 months. The most frequent treatment-emergent drug-related adverse event was hand-foot skin reaction (31.7%), followed by diarrhea (18.0%). The incidence of treatment-emergent adverse events was similar in both Child-Pugh A (85.4%) and Child-Pugh B (84.8%) patients. CONCLUSION: Sorafenib was well tolerated by Korean HCC patients in clinical settings, and the safety profile did not appear to differ by Child-Pugh status. Survival benefit in Korean patients was in line with that of a previous pivotal phase III trial (SHARP).
Carcinoma, Hepatocellular*
;
Diarrhea
;
Humans
;
Incidence
;
Korea*
;
Life Change Events
;
Prospective Studies
;
Skin
6.Current Status of Laparoscopic Liver Resection in Korea.
Joon Seong PARK ; Ho Seong HAN ; Dae Wook HWANG ; Yoo Seok YOON ; Jai Young CHO ; Yang Seok KOH ; Choon Hyuck David KWON ; Kyung Sik KIM ; Sang Bum KIM ; Young Hoon KIM ; Hyung Chul KIM ; Chong Woo CHU ; Dong Shik LEE ; Hong Jin KIM ; Sang Jae PARK ; Sung Sik HAN ; Tae Jin SONG ; Young Joon AHN ; Yung Kyung YOO ; Hee Chul YU ; Dong Sup YOON ; Min Koo LEE ; Hyeon Kook LEE ; Seog Ki MIN ; Chi Young JEONG ; Soon Chan HONG ; In Seok CHOI ; Kyung Yul HUR
Journal of Korean Medical Science 2012;27(7):767-771
Since laparoscopic liver resection was first introduced in 2001, Korean surgeons have chosen a laparoscopic procedure as one of the treatment options for benign or malignant liver disease. We distributed and analyzed a nationwide questionnaire to members of the Korean Laparoscopic Liver Surgery Study Group (KLLSG) in order to evaluate the current status of laparoscopic liver resection in Korea. Questionnaires were sent to 24 centers of KLLSG. The questionnaire consisted of operative procedure, histological diagnosis of liver lesions, indications for resection, causes of conversion to open surgery, and postoperative outcomes. A laparoscopic liver resection was performed in 416 patients from 2001 to 2008. Of 416 patients, 59.6% had malignant tumors, and 40.4% had benign diseases. A total laparoscopic approach was performed in 88.7%. Anatomical laparoscopic liver resection was more commonly performed than non-anatomical resection (59.9% vs 40.1%). The anatomical laparoscopic liver resection procedures consisted of a left lateral sectionectomy (29.3%), left hemihepatectomy (19.2%), right hemihepatectomy (6%), right posterior sectionectomy (4.3%), central bisectionectomy (0.5%), and caudate lobectomy (0.5%). Laparoscopy-related serious complications occurred in 12 (2.8%) patients. The present study findings provide data in terms of indication, type and method of liver resection, and current status of laparoscopic liver resection in Korea.
*Hepatectomy/statistics & numerical data
;
Humans
;
*Laparoscopy/statistics & numerical data
;
Liver/*surgery
;
Liver Diseases/pathology/surgery
;
Liver Neoplasms/pathology/surgery
;
Postoperative Complications/epidemiology
;
Questionnaires
;
Republic of Korea
7.Clinical Outcomes of Stercoral Colitis.
Hyoung Chu JOUNG ; Koon Hee HAN ; Min Hyoung CHO ; Joung Hwa LEE ; Woo Jin JEONG ; Young Don KIM ; Sang Jin LEE ; Jong Won KANG ; Jae Hong AHN ; Gil Hyun KANG ; Gab Jin CHEON
Korean Journal of Medicine 2011;80(2):187-192
BACKGROUND/AIMS: Stercoral colitis is an inflammatory condition related to increased intraluminal pressure, itself caused by impacted fecal material. Stercoral colitis is a rare condition and has a generally poor prognosis. The aims of this study were to investigate the clinical characteristics and outcomes of stercoral colitis according to management strategy. METHODS: From January 2004 to August 2009, 11 patients were diagnosed with stercoral colitis at our center. The medical records of these individuals were reviewed retrospectively with regard to the clinical characteristics, management strategy, and clinical outcomes. We defined severe stercoral colitis as stercoral colitis complicated by systemic inflammatory response syndrome, sepsis, or septic shock. RESULTS: Eleven patients (three men and eight women) with a mean age of 70+/-8 years were included. Ten patients were elderly with constipation as a predisposing factor. Nine patients had severe stercoral colitis according to out criteria. Of these, five patients underwent surgery, and the other four were treated with a conservative management strategy. One patient (20%) in the surgical group and all patients in the conservative management group (n=4) died. CONCLUSIONS: Stercoral colitis should be considered in elderly patients with predisposing factors and presents as fecal impaction with colonic wall thickening or pericolic fat stranding on CT scan. In patients with severe stercoral colitis, early surgery may be effective in reducing mortality.
Aged
;
Colitis
;
Colon
;
Constipation
;
Fecal Impaction
;
Humans
;
Intestinal Perforation
;
Male
;
Medical Records
;
Prognosis
;
Retrospective Studies
;
Sepsis
;
Systemic Inflammatory Response Syndrome
8.Changes of Clinical Findings of Acute Poststreptococcal Glomerulonephritis.
Byung Ho CHOI ; Mi Ae CHU ; Eun Hui HONG ; Hyun Hee HWANG ; Min Hyun CHO ; Cheol Woo KO
Journal of the Korean Society of Pediatric Nephrology 2008;12(2):157-163
PURPOSE: Several studies have reported the recent increase in the incidence of acute poststreptococcal glomerulonephritis(APSGN). The objective of this study is to see changes of clinical findings/manifwstation in children with APSGN. METHODS: Medical records of 63 children who were diagnosed with APSGN in the deparment of Pediatrics, Kyungpook National University Hospital, between January 1992 and December 2006 were reviewed retrospectively. We analyzed various clinical characteristics such as age, sex, degrees of proteinuria, degrees of hematuria, and presence or absence of histories of systemic antibiotic use in children with APSGN, and compared the children with APSGN who were diagnosed between 1992 and 2000 to those who were diagnosed between 2001 and 2006. RESULTS: Age of the patients ranged from 2-14 years(median 7.11 years) at the time of disease onset. Study patients consisted of 41 boys and 22 girls. APSGN followed infection of the throat in 87% of cases. Patient developed an acute nephritic syndrome 12 days after an antecedent streptococcal pharyngitis. Forty patients presented with gross hematuria. Fortyone patients had hypertension at the time of diagnosis. Hypertension disappeared within 7.8+/-8.2 days, gross hematuria within 11.3+/-17.2 days and microscopic hematuria within 3.5+/-3.9 months from the disease onset. Patients in 2001-2006 had significantly higher increase of antistreptolysin O(ASO) titer. However, no significant differences in clinical characteristics were observed. Age, sex, severity of proteinuria, gross or microscopic hematuria, antibiotic therapy did not affect the clinical manifestations of glomerulonephritis. In other words, hypertension, duration of hematuria, recovery of serum C3 level are not different between the two time periods. CONCLUSION: Our data indicates that patients in 2001-2006 had significantly higher level of ASO titer. However, they did not show significant clinical differences. To evaluate the causes of the resurgence of APSGN, a national epidemic is needed.
Antistreptolysin
;
Child
;
Glomerulonephritis
;
Hematuria
;
Humans
;
Hypertension
;
Incidence
;
Infant
;
Medical Records
;
Pediatrics
;
Pharyngitis
;
Pharynx
;
Proteinuria
;
Retrospective Studies
;
Urinary Tract Infections
9.Ultrasonographic Appearances of the Plantar Fasciitis.
Seung Hwan HONG ; In Tak CHU ; Hyun Woo CHUNG
Journal of Korean Foot and Ankle Society 2007;11(2):145-148
PURPOSE: This retrospective study was designed to evaluate the appearances of plantar fasciitis by ultrasonography. MATERIALS AND METHODS: 48 cases of unilateral plantar fasciitis were enrolled in this study. Plain radiograph and real- time sonography of both feet were perfomred and the results were compared between the affected feet and controlateral symptomless feet. Calcaneal spur were observed on plain radiograph and thickness of plantar fascia, hypoechogenecity, blurring of border of plantar fascia, perifascial effusion, wavy plantar fascia were observed on sonography. RESULTS: Women (35 cases) and left feet (30 cases) were more frequent than men and right feet. Thickness of plantar fascia in affected site was thicker than normal site (p<0.01). Hypoechogenecity was observed only in 39 cases (81%) affected site, blurring of border of plantar fascia in affected site was 30 cases (62%) and 7 cases (15%) in normal site, perifascial effusion was observed only in 38 cases (79%) affected site, wavy plantar fascia in affected site was 43 cases (90%) and 2 cases (4%) in normal site. Calcaneal spur in affected site was 36 cases (75%) and 33 cases (69%) in normal site. CONCLUSION: Sonography is a useful diagnostic procedure for the plantar fasciitis especially in the unilateral plantar fasciitis.
Fascia
;
Fasciitis, Plantar*
;
Female
;
Foot
;
Heel Spur
;
Humans
;
Male
;
Retrospective Studies
;
Ultrasonography
10.Changes of Bone Mineral Densities in Children with Idiopathic Hypercalciuria.
Eun Hui HONG ; Jung Ok KIM ; Mi Ae CHU ; Jun Young KIM ; Hwan Seok LEE ; Min Hyun CHO ; Cheol Woo KO ; Dong Gyu JO ; Jae Tae LEE
Korean Journal of Nephrology 2007;26(6):684-690
PURPOSE: Idiopathic hypercalciuria is a common clinical disorder in children with hematuria or nephrolithiasis. Recently, it has been reported that idiopathic hypercalciuria may disturb the metabolism of bone and induce its loss. We measured the biochemical markers of bone metabolism and bone mineral densities (BMD) by dual energy X-ray absorptiometry (DEXA) in children with idiopathic hypercalciuria to elucidate the prevalence and clinical significance of osteopenia. METHODS: From 1997 to 2005, 52 children with idiopathic hypercalciuria were included in this study. The biochemical markers of bone metabolism were measured in all 52 patients. BMD was measured in 21 patients initially and additional 6 patients during the follow-up. RESULTS: Mean age of patients was 6 years 7 months, and the male to female ratio was 1.26:1. BMD Z-scores were less than -1 in 10 of initial 21 patients (osteopenia), and -2.5 in 2 of 10 osteopenic patients (osteoporosis). There was a negative correlation between BMD Z-score and the level of osteocalcin. However, there were no significant differences in BMD Z-scores and other biochemical markers of bone metabolism among groups divided by sex, the type of idiopathic hypercalciuria, and the presence of urinary stone. CONCLUSION: Idiopathic hypercalciuria can be not only the cause of hematuria, but also of osteopenia in children. We suggest that the measurement of BMD in children with idiopathic hypercalciuria should be performed routinely with regular follow-up.
Absorptiometry, Photon
;
Biomarkers
;
Bone Density*
;
Bone Diseases, Metabolic
;
Child*
;
Female
;
Follow-Up Studies
;
Hematuria
;
Humans
;
Hypercalciuria*
;
Male
;
Metabolism
;
Nephrolithiasis
;
Osteocalcin
;
Prevalence
;
Urinary Calculi

Result Analysis
Print
Save
E-mail